RT7263B
Typical Application Circuit
V
IN
1
C
IN
22µF
11
C
C
0.1µF
SYNC
ON/OFF
7 SYNC
9 EN
AGND
14
SS 10
VCC
VIN
BOOT
RT7263B
SW
2, 3, 4, 5
R
T
C
SS
47nF
6
C
BOOT
100nF
L
V
OUT
R1
C
OUT
R2
FB 8
GND
12, 13, 15 (Exposed Pad)
Table 1. Recommended Components Selection
V
OUT
(V)
5
3.3
2.5
1.8
1.5
1.2
1.05
R1 (kΩ)
75
75
75
5
5
5
5
R2 (kΩ)
10.23
16.67
23.68
2.5
3.33
5
6.67
R
T
(kΩ)
0
0
0
24
27
36
39
L (μH)
4.7
3.6
3.6
2
2
2
1.5
C
OUT
(μF)
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS7263B-01
September 2012